Hair dryer



FIG. 1 is a side elevation view of a hair dryer showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation view opposite that of FIG. 1;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear elevation view thereof; and

FIG. 6 is a front elevation view thereof. 

The ornamental design for a hair dryer, as shown. 